Adams Company's cost and production data for two recent months included the following: Production (units) Rent Utilities March April 900 $2,300 1,200 $2,300 $800 $1,067 Required a. Separately calculate the rental cost per unit and the utilities cost per unit for both March and April. b. Identify which cost is variable and which is fixed. Note: Round your answers to 2 decimal places. Rent cost per unit Utility cost per unit March April < Required A Identify which cost is variable and which is fixed. Rent cost Utility cost < Requ